This change log tracks the releases on our [pilot server](https://recodex.mff.cuni.cz/). Since ReCodEx is in fact composed of many components, we also provide a table of component version which work together in stable releases.

| Date | [web-app](https://github.com/ReCodEx/web-app/releases) | [core-api](https://github.com/ReCodEx/api/releases) | [worker](https://github.com/ReCodEx/worker/releases) | [broker](https://github.com/ReCodEx/broker/releases) | [fileserver](https://github.com/ReCodEx/fileserver/releases) | [monitor](https://github.com/ReCodEx/monitor/releases) | [cleaner](https://github.com/ReCodEx/cleaner/releases) |
| --- |:---:|:---:|:---:|:---:|:---:|:---:|:---:|
| 3.2.2021      |  v1.25.0 |  v1.25.0 |  v1.7.2  |  v1.3.0  |  ------  |  v1.0.0  |  v1.1.0  |
| 7.12.2020     |  v1.24.0 |  v1.24.0 |  v1.7.1  |  v1.3.0  |  ------  |  v1.0.0  |  v1.1.0  |
| 22.11.2020    |  v1.23.0 |  v1.23.0 |  v1.7.0  |  v1.3.0  |  ------  |  v1.0.0  |  v1.1.0  |
| 19.9.2020     |  v1.22.1 |  v1.22.0 |  v1.6.5  |  v1.3.0  |  v1.2.1  |  v1.0.0  |  v1.1.0  |
| 13.8.2020     |  v1.22.0 |  v1.22.0 |  v1.6.4  |  v1.3.0  |  v1.2.1  |  v1.0.0  |  v1.1.0  |
| 30.3.2020     |  v1.21.0 |  v1.21.0 |  v1.6.4  |  v1.3.0  |  v1.2.1  |  v1.0.0  |  v1.1.0  |
| 13.1.2020     |  v1.20.0 |  v1.20.0 |  v1.6.4  |  v1.3.0  |  v1.2.1  |  v1.0.0  |  v1.1.0  |

## 3.2.2021

- Upgrading to API Core Nette 3.1 (+ subsequent upgrades of relevant libs)
- Switching from kdyby/doctrine to nettrine doctrine integration (requires minor adjustment of existing core-api config files!)
- Redesign of SIS Integration page and improvements were made in its API
- New Arduino environment support
- Various ux improvements, added missing labels and comments
- Many bugs fixed (especially a nasty one in SSR)
- Two security issues resolved in worker (symlinks exploit and correct application of disk quotas)

## 7.12.2020
* Judge logs are collected separately (stdout, stderr), exercise may switch between merged/split logs, assignment can select visibility of split logs individually.
* Signal exit codes are collected presented in solution results.
* Re-establishing cleanup scripts after FS overhaul.

## 23.11.2020
* Fixing some bugs (API v1.23.1 released, compatible with previous release).

## 22.11.2020
* Total overhaul of file storage subsytem (file management integrated into core-api, fileserver no longer needed).
* Several important bugs fixed in web app frontend.
* Seting up RPM packaging for core-api component.
* Making bison exec path configurable in pipeline.

## 19.9.2020
* Migrating from Mono to .NET Core 3.1.

## 13.8.2020
* Refactoring score (tests) edit form and implementing AST tree expression editor
* Implementing "explain" button for (reference) solution score that shows dialog that explains how solution correctness was computed
* Improving error reporting for exercise configuration (entangling error messages with links to forms where the problem should be fixed)
* Adding 'detaining' flag of groups, which prevents students from leaving the group on their own
* Showing evaluation failures to regular users
* Multiple minor ux improvements

## 30.3.2020
* Adding comment threads for assignments (as public discussion).
* Solution file limits (count and size) imposed (configurable in assignments, defaults in exercises).
* New languages (runtime environments) introduced: Scala, Groovy, Kotlin, and Bash.

## 13.1.2020
* Updating main results table on GroupDetail page to display interactive dialog when clicking on particular points.
* New "reviewed" flag added to assignment solutions.
* Implement new type of after submit notification concerning the reviewed flag.
* Dialog for editing note of a solution.
* Improving appearance of solution detail table by adding links to related solutions.
* Adding (un)select all/invert selection features to RTE filter of the exercise list.
* Code syntax highlighting added to markdown fields.
* Many UX improvements (better labels, confirmation dialogs, buttons, shortcuts, missing info, styling...).
* Switching from Symfony Yaml parser to PECL Yaml for performance reasons.
* Entire API automatically reformatted by PHP Sniffer to PSR-12.

# Older Versions

* [[Changelog 2019]]
* [[Changelog 2018]]